<connectionStrings>
    <add name="CATALOGEntities" connectionString="metadata=~/bin/ModelsInfoModel.csdl|~/bin/ModelsInfoModel.ssdl|~/bin/ModelsInfoModel.msl;provider=System.Data.SqlClient;provider connection string="data source=SERVER;initial catalog=CATALOG;integrated security=False;User Id=admin;Password=admin123;MultipleActiveResultSets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />
</connectionStrings>

ConnectionTools.ChangeDatabase(db, "ANOTHERCATALOG", "ANOTHERSERVER", "admin", "admin456", false, "ANOTHERCATALOGEntities");